Power
Fairchild's Primary Side Regulation PWM Controllers Simplify Design in High Brightness LEDs
Fairchild Semiconductor addresses a critical need in the high brightness light emitting diodes market with its primary side regulation pulse-width modulation controllers that simplify design, reduce board space and provide important performance advantages. The FSEZ1016A is an EZSWITCH that integrates a PSR PWM controller with a power MOSFET and the FAN100 is a PSR PWM controller.
ThroThe FSEZ1016A and FAN100 feature a proprietary green-mode function that provides off-time modulation to linearly decrease the PWM frequency under light-load conditions. They also minimize power consumption (standby power at no load condition <0.15W) by reducing the secondary-side feedback circuitry and components. All of these power-saving features are integral in enabling power supplies to meet stringent energy efficiency specifications. In addition, these PSR PWM controllers offer robust protection features such as under-voltage lockout (UVLO), over voltage protection (OVP) and over temperature protection (OTP).
These PSR PWM controllers enhance Fairchild’s extensive power offerings to enable energy-efficient electronics. These products maximize energy savings in power-sensitive applications such as power adapters, power supplies, lighting applications, computers, industrial controls and home appliances.